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RO110837B1 - Procedeu de obtinere a unui material de umplutura, pentru hartie - Google Patents

Procedeu de obtinere a unui material de umplutura, pentru hartie Download PDF

Info

Publication number
RO110837B1
RO110837B1 RO93-01190A RO9301190A RO110837B1 RO 110837 B1 RO110837 B1 RO 110837B1 RO 9301190 A RO9301190 A RO 9301190A RO 110837 B1 RO110837 B1 RO 110837B1
Authority
RO
Romania
Prior art keywords
paper
fibers
wood
paste
fiber
Prior art date
Application number
RO93-01190A
Other languages
English (en)
Romanian (ro)
Inventor
John Harold Klungness
Daniel Francis Caulfield
Irving B Sachs
Marguerite S Sykes
Freya Tan
Richard Walter Shilts
Original Assignee
Us Agriculture
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Us Agriculture filed Critical Us Agriculture
Publication of RO110837B1 publication Critical patent/RO110837B1/ro

Links

Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H23/00—Processes or apparatus for adding material to the pulp or to the paper
    • D21H23/02—Processes or apparatus for adding material to the pulp or to the paper characterised by the manner in which substances are added
    • D21H23/04—Addition to the pulp; After-treatment of added substances in the pulp
    • D21H23/06—Controlling the addition
    • D21H23/14—Controlling the addition by selecting point of addition or time of contact between components
    • D21H23/16—Addition before or during pulp beating or refining
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C9/00—After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
    • D21C9/001—Modification of pulp properties
    • D21C9/002—Modification of pulp properties by chemical means; preparation of dewatered pulp, e.g. in sheet or bulk form, containing special additives
    • D21C9/004—Modification of pulp properties by chemical means; preparation of dewatered pulp, e.g. in sheet or bulk form, containing special additives inorganic compounds
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
    • D21H17/63—Inorganic compounds
    • D21H17/70—Inorganic compounds forming new compounds in situ, e.g. within the pulp or paper, by chemical reaction with other substances added separately
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
    • D21H17/63—Inorganic compounds
    • D21H17/67—Water-insoluble compounds, e.g. fillers, pigments
    • D21H17/675—Oxides, hydroxides or carbonates

Landscapes

  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
  • Chemical Or Physical Treatment Of Fibers (AREA)
  • Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
  • Treatment Of Fiber Materials (AREA)
RO93-01190A 1991-03-06 1992-03-05 Procedeu de obtinere a unui material de umplutura, pentru hartie RO110837B1 (ro)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US66546491A 1991-03-06 1991-03-06
US07/805,025 US5223090A (en) 1991-03-06 1991-12-11 Method for fiber loading a chemical compound
PCT/US1992/001737 WO1992015754A1 (fr) 1991-03-06 1992-03-05 Procede destine a charger des fibres avec un compose chimique

Publications (1)

Publication Number Publication Date
RO110837B1 true RO110837B1 (ro) 1996-04-30

Family

ID=27099205

Family Applications (1)

Application Number Title Priority Date Filing Date
RO93-01190A RO110837B1 (ro) 1991-03-06 1992-03-05 Procedeu de obtinere a unui material de umplutura, pentru hartie

Country Status (21)

Country Link
US (2) US5223090A (fr)
EP (1) EP0690938B1 (fr)
JP (1) JP3145707B2 (fr)
KR (1) KR100213456B1 (fr)
AR (1) AR245965A1 (fr)
AT (1) ATE158036T1 (fr)
AU (1) AU650968B2 (fr)
BG (1) BG98139A (fr)
BR (1) BR9205696A (fr)
CA (1) CA2103549A1 (fr)
CZ (1) CZ183093A3 (fr)
DE (1) DE69222190T2 (fr)
ES (1) ES2107532T3 (fr)
FI (1) FI933789A0 (fr)
HU (1) HUT67632A (fr)
MX (1) MX9200975A (fr)
PL (1) PL171323B1 (fr)
RO (1) RO110837B1 (fr)
SK (1) SK87293A3 (fr)
UA (1) UA27109C2 (fr)
WO (1) WO1992015754A1 (fr)

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* Cited by examiner, † Cited by third party
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ES2107532T3 (es) 1997-12-01
AU1584592A (en) 1992-10-06
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MX9200975A (es) 1992-09-01
JP3145707B2 (ja) 2001-03-12
USRE35460E (en) 1997-02-25
JPH06507944A (ja) 1994-09-08
EP0690938B1 (fr) 1997-09-10
BG98139A (en) 1994-06-30
CA2103549A1 (fr) 1992-09-07
EP0690938A1 (fr) 1996-01-10
DE69222190T2 (de) 1998-02-26
EP0690938A4 (fr) 1994-03-17
ATE158036T1 (de) 1997-09-15
US5223090A (en) 1993-06-29
AR245965A1 (es) 1994-03-30
HUT67632A (en) 1995-04-28
PL171323B1 (pl) 1997-04-30
FI933789A7 (fi) 1993-08-30
AU650968B2 (en) 1994-07-07
DE69222190D1 (de) 1997-10-16
HU9302500D0 (en) 1994-03-28
CZ183093A3 (en) 1994-04-13
KR100213456B1 (ko) 1999-08-02
BR9205696A (pt) 1994-05-24
UA27109C2 (uk) 2000-02-28
SK87293A3 (en) 1994-04-06
FI933789L (fi) 1993-08-30
FI933789A0 (fi) 1993-08-30

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